final SearchLogHelper searchLogHelper = ComponentUtil.getSearchLogHelper();
        final int count = searchLogHelper.getClickCount(url);
        doc.put(clickCountField, count);
        if (logger.isDebugEnabled()) {
            logger.debug("Click Count: {}, url: {}", count, url);
        }
    }

    public String execute() {
        final StringBuilder resultBuf = new StringBuilder();
        scoreBoosterList.forEach(b -> {
            try {
                final long count = b.process();
                resultBuf.append(b.getClass().getSimpleName()).append(" : ").append(count).append('\n');
            } catch (final Exception e) {
                logger.warn("Failed to update scores.", e);
                resultBuf.append(e.getMessage()).append('\n');

            append(b, "count", () -> c.getCollectionCount()).append(',');
            append(b, "time", () -> c.getCollectionTime().getMillis()).append('}');
            return b.toString();
        }).collect(Collectors.joining(",")));
        buf.append("},");
        final Threads threads = jvmStats.getThreads();
        buf.append("\"threads\":{");
        append(buf, "count", () -> threads.getCount()).append(',');

    private long expiry = 30 * 24 * 60 * 60 * 1000L;

    public String execute() {
        try {
            final long count = ComponentUtil.getThumbnailManager().purge(getExpiry());
            return "Deleted " + count + " thumbnail files.";
        } catch (final Exception e) {
            logger.error("Failed to purge thumbnails.", e);
            return e.getMessage();
        }
    }

                    return BucketOrder.key(asc);
                }
                if ("count".equals(values[0])) {
                    return BucketOrder.count(asc);
                }
            }
        }
        return BucketOrder.count(false);
    }

    public void addQuery(final String s) {
        if (query == null) {
            query = new String[] { s };

java.util.logging.FileHandler.level=INFO
java.util.logging.FileHandler.pattern=${fess.log.path}/server_%g.log
java.util.logging.FileHandler.formatter=java.util.logging.SimpleFormatter
java.util.logging.FileHandler.count=10

# Suppress warning logs

            }
        }

        int totalCount = 0;
        int count = 1;
        final ExecutorService executorService = Executors.newFixedThreadPool(options.numOfThreads);
        try {
            while (count != 0) {
                count = ComponentUtil.getThumbnailManager().generate(executorService, options.cleanup);
                totalCount += count;
            }
            executorService.shutdown();

        final LanguageHelper languageHelper = ComponentUtil.getLanguageHelper();

        final StringBuilder resultBuf = new StringBuilder();

        try {
            final long count = searchEngineClient.updateByQuery(fessConfig.getIndexDocumentUpdateIndex(), option -> {
                if (queryBuilder != null) {
                    option.setQuery(queryBuilder);
                }